<!-- eslint-disable eqeqeq -->
<template>
  <el-container class='home-container'>
    <el-header>
      <div>
        <img src='../assets/heima.png' alt=''>
        <span>电商后台管理系统</span>
      </div>
      <el-button type='info' @click='loginout'>退出</el-button>
    </el-header>
    <el-container>
      <!--      侧边栏-->
      <el-aside :width="isCollapse ?  '64px' : '200px' ">
        <div class='toggle-button' @click='toggleCollapse'>III</div>
        <el-menu background-color='#333744' text-color='#fff' active-text-color='#409EFF'
                 :unique-opened='true' :collapse='isCollapse' :collapse-transition='false'
                 :router='true' :default-active='activePath'>
          <el-submenu :index="item.id + ''" v-for='item in menuList' :key='item.id'>
            <!--            一级菜单-->
            <template slot='title'>
              <i :class='iconsObj[item.id]'></i>
              <span>{{ item.authName }}</span>
            </template>

            <!--            二级菜单-->
            <el-menu-item :index="'/'+subItem.path + ''" v-for='subItem in item.children' :key='subItem.id'
                          @click="saveNavState('/'+subItem.path + '')">
              <!-- 二级菜单的模板区域 -->
              <template slot='title' >
                <!-- 图标 -->
                <i class='el-icon-menu'></i>
                <!-- 文本 -->
                <span>{{ subItem.authName }}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  data() {
    return {
      menuList: [],
      iconsObj: {
        // 一级菜单的icon图标
        147: 'el-icon-magic-stick',
        125: 'iconfont icon-users',
        103: 'iconfont icon-tijikongjian',
        101: 'iconfont icon-shangpin',
        102: 'iconfont icon-danju',
        145: 'iconfont icon-baobiao'
      },
      isCollapse: false, // 是否折叠属性
      activePath: ''
    }
  },
  created() {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods: {
    loginout() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },

    // 获取所有的菜单
    async getMenuList() {
      const { data: res } = await this.$http.get('menus')
      // eslint-disable-next-line eqeqeq
      if (res.meta.status !== 200) {
        return this.$message.console.error(res.meta.msg)
      } else {
        this.menuList = res.data
      }
      // console.log(res)
    },

    toggleCollapse() {
      this.isCollapse = !this.isCollapse
    },

    saveNavState(activePath) {
      window.sessionStorage.setItem('activePath',activePath)
      this.activePath = activePath
    }
  }
}
</script>

<style lang='less' scoped>
.hwelcome {
  color: #fff;
  font-size: 15px;
  height: 25px;
  text-align: center;
  background: green;

  span {
    margin-left: 10px;
  }
}

.home-container {
  height: 100%;
}

.el-header {
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  background-color: #373d3f;
  align-items: center;
  color: #fff;
  font-size: 20px;

  > div {
    display: flex;
    align-items: center;

    img {
      width: 60px;
      height: 60px;
      border-radius: 50%;
    }

    span {
      margin-left: 15px;
    }
  }
}

.el-aside {
  background-color: #333744;

  .el-menu {
    border-right: none;
  }
}

.el-main {
  background-color: #eaedf1;
}

.iconfont {
  padding-right: 10px;
}

.toggle-button {
  background: #4a5064;
  font-size: 10px;
  text-align: center;
  line-height: 24px;
  color: #fff;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>
